From c3144adcbc01d4f9f4d1e42323fc51be689bee17 Mon Sep 17 00:00:00 2001
From: Eric Curtin <ecurtin@redhat.com>
Date: Fri, 16 Dec 2022 11:10:12 +0000
Subject: config: add a quirk for Apple Silicon appledrm

Xorg server does not correctly select the DCP for the display without a
quirk on Apple Silicon.

Signed-off-by: Eric Curtin <ecurtin@redhat.com>
Suggested-by: Hector Martin <marcan@marcan.st>
(cherry picked from commit 39934a656a44722d16a80bf4db411c53e2d67b38)

Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1746>
---
 config/10-quirks.conf | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/config/10-quirks.conf b/config/10-quirks.conf
index 47907d82d..54dd908a7 100644
--- a/config/10-quirks.conf
+++ b/config/10-quirks.conf
@@ -36,3 +36,13 @@ Section "InputClass"
         MatchDriver "evdev"
         Option "TypeName" "MOUSE"
 EndSection
+
+# https://bugzilla.redhat.com/show_bug.cgi?id=2152414
+# Xorg server does not correctly select the DCP for the display without
+# a quirk on Apple Silicon
+Section "OutputClass"
+        Identifier "appledrm"
+        MatchDriver "apple"
+        Driver "modesetting"
+        Option "PrimaryGPU" "true"
+EndSection
-- 
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